St Paul's Cathedral : It is the principal place of Christian worship, constructed between 1839 and 1847 with impressive stained glass.

Birla Planetarium : This large planetarium offers the best way to see the stars in smoggy, polluted Kolkata (admission Rs 20, 1.30 pm and 6.30 pm).

St John's church : The imposing church has some important colonial graves, including the octagonal mausoleum of Job Charnock, the ex-founder of Kolkata (admission Rs 10).

Nakhoda mosque : This huge red sandstone mosque built in 1926 and modelled on Akbar's tomb at Sikandra.

Park street cemetery : It worth a visit and has some interesting memorials including the mausoleum of Asiatic society's founder, Sir William Jones. Buried beneath stone columns, plinths and pyramids you'll find characters such as George Bogle, the first British envoy to Tibet, Elizabeth Jane Barwell etc.